China Daily：Italy traces virus b
trace sth back to sth/somewhere/sometime
trace n. v.
The outbreak of food poisoning was traced to some contaminated shellfish.
Italy has now traced its earliest novel coronavirus case to early December 2019
the US Centers for Disease Control and Prevention
novel coronavirus transmission pathways
Airbone transmission is the domiant transmossion mode in the spread of this disease.
the disease hit Europe earlier than believed
to identify severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA
acute 医学语境
acute abdominal pain
irritated bowel syndrome 肠易激综合征
Down's syndrome 唐氏综合征 染色体缺失
Stockholm syndrome 斯德哥尔摩综合征
oropharyngeal (back of the tongue and throat) swab specimen 咽拭子样本
specimen= samples
batterfly spcimen 标本
suspected measles
measles 麻疹
Emerging Infectious Diseases journal
the first identified coronavirus case
pneumonia of unknown causes
the cluster of cases
strains
official report on sth
expand one's knowledge on sth
an early release of their journal
COVID-19 symptoms can appear as early as two days after infections or as late as 14 days
as early as the end of November 2019
in mid-December 2019
in late December
on Jan 3
during the late autumn period
during the first months of 2020
before or around the time the virus was officially identified in China
provide further perspective into doing sth
demystify the origins of COVID-19
demystify v.
That could mean + (that) 从句
Italian
in the surrounding area of Milan
reported travel history
hospital emergency room
have a cough and rhinitis
respiratory symptoms
vomit v.n.
vomiting
in agreement with sth
= in line with
advance the begining of the outbreak to late automn 2019
import to
importations
become widespread
